Pathogen Host Interations Flashcards

0
Q

What is the parasite theory of sex?

A

Pathogens and parasites more often than not have a shorter generation time than their host

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1
Q

What are pathogens?

A
  • micro parasites

- macroparasites

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2
Q

What is toxoplasma gondii?

A
  • can infect almost all mamals
  • cats are most definitive host
  • dangerous to pregnant women
  • many have pervasive effects on humans including sex differences in how it affects psychology
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3
Q

What are strategies to avoid infection?

A
  • considered energy balance
  • ifs bad to be dead
  • both the pathogen and the defence cause damage
  • parasites load reduce dominance
  • pathogens make you more susceptible to other pathogens
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4
Q

Explain how you could avoid macroparasites?

A
  • foraging away from feaces or selectively deficating
  • grooming and or preening
  • fly repelling behaviour
    Lining nests with plants toxic to parasites
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5
Q

How do you avoid microparasites?

A
  • grooming
  • wound cleaning
  • conditioned food aversions
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6
Q

What is controlled exposure to pathogens?

A
  • early life infants under the immunological umbrella of the mother
  • carnivores expose their infants to small amounts of environmental pathogens
  • some primates encourage member of the group to handle infant
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7
Q

What is sickness behaviour?

A
  • fever response

- sick animals

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8
Q

What is sexual selection?

A
  • attractiveness may indicate pathogen resistance

- scarification and tattooing

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9
Q

What is the psychological immune system?

A
  • disgust may be a uniquely human emotion
  • some elicitors of disgust similar across society
  • taxonomy of disgust
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10
Q

Are parasites good for us?

A

Our immune systems evolved with pathogens and parasites

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11
Q

What is jasper Lawrence helminth therapy?

A

Natures most powerful probiotic

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